Perth Weather in September

September in Perth sees daytime temperatures around 17°C (63°F) and lows of 9°C (48°F) at night. With around 75 mm (3 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Perth in September

Analyzing past climate data, one can expect approximately 18 days of rain, averaging 75 mm (3 in). This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Perth in September

If you're visiting Perth in September, expect highs of 17°C (63°F) and overnight lows around 9°C (48°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Perth in September

The month brings about 128 hours of sunlight, offering a comfortable mix of sun and overcast.

If your ideal day consists of dry skies and pleasant temperatures, July typically offers the best circumstances for Perth.